MLA

Nelson, Anita; Woodward, Jo Ann; Skolnik, Neil S, et al. Sexually Transmitted Diseases. Humana Press, 2006.

APA

Nelson, N. S, Nelson, A. L, Woodward, J. Ann, Woodward, J., & Skolnik, N. S. (2006). Sexually Transmitted Diseases. Humana Press.

Chicago

Nelson, Anita; Woodward, Jo Ann; Skolnik, Neil S., Anita L Nelson, Jo Ann Woodward, JoAnn Woodward, and Neil S Skolnik. Sexually Transmitted Diseases. : Humana Press, 2006.